Home / 45,785.12-68,693.25-28,898.49

Finding the Fourth Proportional to 45,785.12, 68,693.25 and 28,898.49

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Solution

The fourth proportional to 45,785.12, 68,693.25 and 28,898.49 is: 43,357.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,785.12 : 68,693.25 = 28,898.49 : x
  2. Step 2: Convert to fraction form
    45,785.12/68,693.25 = 28,898.49/x
  3. Step 3: Cross multiply
    45,785.12x = 68,693.25 × 28,898.49
  4. Step 4: Simplify right side
    45,785.12x = 1,985,131,198.19
  5. Step 5: Solve for x
    x = 1,985,131,198.19/45,785.12
  6. Step 6: Final answer
    x = 43,357.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.